How do I maintain the fuel efficiency of my Kia Sportage?

I recently purchased a Kia Sportage and I want to make sure I am maintaining its fuel efficiency. What steps should I take to keep my car running efficiently?

Regularly check and replace your air filter to ensure proper air flow.

Monitor your tire pressure and make sure it is at the recommended level for your Kia Sportage model.

Keep up with regular oil changes and use the recommended grade of oil for your Kia Sportage.